Well, The Hollywood Reporter got some inside word on the matter. It seems Willis' "specific money demand" was the main reason he left the project. According to the trade, Willis was offered $3 million for four days of shooting in Bulgaria, but the star said he'd drop out if he didn't get at least $4 million. "A million dollars a day," the source said. "Stallone and everybody else involved said no... I think [Willis] was pretty surprised he was replaced in 72 hours by Harrison Ford."

Willis' reps at CAA declined to comment on the situation.

The Expendables 3 is scheduled to hit theaters on August 15, 2014.

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